1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
2 /*
3 * Copyright (C) 2005-2014, 2018-2025 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
5 * Copyright (C) 2016-2017 Intel Deutschland GmbH
6 */
7 #include <linux/completion.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/firmware.h>
10 #include <linux/module.h>
11 #include <linux/vmalloc.h>
12
13 #include "iwl-drv.h"
14 #include "iwl-csr.h"
15 #include "iwl-debug.h"
16 #include "iwl-trans.h"
17 #include "iwl-op-mode.h"
18 #include "iwl-agn-hw.h"
19 #include "fw/img.h"
20 #include "iwl-dbg-tlv.h"
21 #include "iwl-config.h"
22 #include "iwl-modparams.h"
23 #include "fw/api/alive.h"
24 #include "fw/api/mac.h"
25 #include "fw/api/mac-cfg.h"
26
27 /******************************************************************************
28 *
29 * module boiler plate
30 *
31 ******************************************************************************/
32
33 #define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
34 MODULE_DESCRIPTION(DRV_DESCRIPTION);
35 MODULE_LICENSE("GPL");
36
37 #ifdef CONFIG_IWLWIFI_DEBUGFS
38 static struct dentry *iwl_dbgfs_root;
39 #endif
40
41 /**
42 * struct iwl_drv - drv common data
43 * @list: list of drv structures using this opmode
44 * @fw: the iwl_fw structure
45 * @op_mode: the running op_mode
46 * @trans: transport layer
47 * @dev: for debug prints only
48 * @fw_index: firmware revision to try loading
49 * @firmware_name: composite filename of ucode file to load
50 * @request_firmware_complete: the firmware has been obtained from user space
51 * @dbgfs_drv: debugfs root directory entry
52 * @dbgfs_trans: debugfs transport directory entry
53 * @dbgfs_op_mode: debugfs op_mode directory entry
54 */
55 struct iwl_drv {
56 struct list_head list;
57 struct iwl_fw fw;
58
59 struct iwl_op_mode *op_mode;
60 struct iwl_trans *trans;
61 struct device *dev;
62
63 int fw_index; /* firmware we're trying to load */
64 char firmware_name[64]; /* name of firmware file to load */
65
66 struct completion request_firmware_complete;
67
68 #ifdef CONFIG_IWLWIFI_DEBUGFS
69 struct dentry *dbgfs_drv;
70 struct dentry *dbgfs_trans;
71 struct dentry *dbgfs_op_mode;
72 #endif
73 };
74
75 enum {
76 DVM_OP_MODE,
77 MVM_OP_MODE,
78 #if IS_ENABLED(CONFIG_IWLMLD)
79 MLD_OP_MODE,
80 #endif
81 };
82
83 /* Protects the table contents, i.e. the ops pointer & drv list */
84 static DEFINE_MUTEX(iwlwifi_opmode_table_mtx);
85 static struct iwlwifi_opmode_table {
86 const char *name; /* name: iwldvm, iwlmvm, etc */
87 const struct iwl_op_mode_ops *ops; /* pointer to op_mode ops */
88 struct list_head drv; /* list of devices using this op_mode */
89 } iwlwifi_opmode_table[] = { /* ops set when driver is initialized */
90 [DVM_OP_MODE] = { .name = "iwldvm", .ops = NULL },
91 [MVM_OP_MODE] = { .name = "iwlmvm", .ops = NULL },
92 #if IS_ENABLED(CONFIG_IWLMLD)
93 [MLD_OP_MODE] = { .name = "iwlmld", .ops = NULL },
94 #endif
95 };
96
97 #define IWL_DEFAULT_SCAN_CHANNELS 40
98
99 /*
100 * struct fw_sec: Just for the image parsing process.
101 * For the fw storage we are using struct fw_desc.
102 */
103 struct fw_sec {
104 const void *data; /* the sec data */
105 size_t size; /* section size */
106 u32 offset; /* offset of writing in the device */
107 };
108
iwl_free_fw_desc(struct iwl_drv * drv,struct fw_desc * desc)109 static void iwl_free_fw_desc(struct iwl_drv *drv, struct fw_desc *desc)
110 {
111 vfree(desc->data);
112 desc->data = NULL;
113 desc->len = 0;
114 }
115
iwl_free_fw_img(struct iwl_drv * drv,struct fw_img * img)116 static void iwl_free_fw_img(struct iwl_drv *drv, struct fw_img *img)
117 {
118 int i;
119 for (i = 0; i < img->num_sec; i++)
120 iwl_free_fw_desc(drv, &img->sec[i]);
121 kfree(img->sec);
122 }
123
iwl_dealloc_ucode(struct iwl_drv * drv)124 static void iwl_dealloc_ucode(struct iwl_drv *drv)
125 {
126 int i;
127
128 kfree(drv->fw.dbg.dest_tlv);
129 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++)
130 kfree(drv->fw.dbg.conf_tlv[i]);
131 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++)
132 kfree(drv->fw.dbg.trigger_tlv[i]);
133 kfree(drv->fw.dbg.mem_tlv);
134 kfree(drv->fw.iml);
135 kfree(drv->fw.ucode_capa.cmd_versions);
136 kfree(drv->fw.phy_integration_ver);
137 kfree(drv->trans->dbg.pc_data);
138 drv->trans->dbg.pc_data = NULL;
139 kvfree(drv->fw.pnvm_data);
140 drv->fw.pnvm_data = NULL;
141 drv->fw.pnvm_size = 0;
142
143 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
144 iwl_free_fw_img(drv, drv->fw.img + i);
145
146 /* clear the data for the aborted load case */
147 memset(&drv->fw, 0, sizeof(drv->fw));
148 }
149
iwl_alloc_fw_desc(struct fw_desc * desc,struct fw_sec * sec)150 static int iwl_alloc_fw_desc(struct fw_desc *desc, struct fw_sec *sec)
151 {
152 void *data;
153
154 desc->data = NULL;
155
156 if (!sec || !sec->size)
157 return -EINVAL;
158
159 data = vmalloc(sec->size);
160 if (!data)
161 return -ENOMEM;
162
163 desc->len = sec->size;
164 desc->offset = sec->offset;
165 memcpy(data, sec->data, desc->len);
166 desc->data = data;
167
168 return 0;
169 }
170
iwl_drv_get_step(int step)171 static inline char iwl_drv_get_step(int step)
172 {
173 if (step == SILICON_Z_STEP)
174 return 'z';
175 if (step == SILICON_TC_STEP)
176 return 'a';
177 return 'a' + step;
178 }
179
iwl_drv_is_wifi7_supported(struct iwl_trans * trans)180 static bool iwl_drv_is_wifi7_supported(struct iwl_trans *trans)
181 {
182 return CSR_HW_RFID_TYPE(trans->info.hw_rf_id) >= IWL_CFG_RF_TYPE_FM;
183 }
184
iwl_drv_get_fwname_pre(struct iwl_trans * trans,char * buf)185 const char *iwl_drv_get_fwname_pre(struct iwl_trans *trans, char *buf)
186 {
187 char mac_step, rf_step;
188 const char *mac, *rf, *cdb;
189
190 if (trans->cfg->fw_name_pre)
191 return trans->cfg->fw_name_pre;
192
193 mac_step = iwl_drv_get_step(trans->info.hw_rev_step);
194
195 switch (CSR_HW_REV_TYPE(trans->info.hw_rev)) {
196 case IWL_CFG_MAC_TYPE_PU:
197 mac = "9000-pu";
198 mac_step = 'b';
199 break;
200 case IWL_CFG_MAC_TYPE_TH:
201 mac = "9260-th";
202 mac_step = 'b';
203 break;
204 case IWL_CFG_MAC_TYPE_QU:
205 mac = "Qu";
206 break;
207 case IWL_CFG_MAC_TYPE_CC:
208 /* special case - no RF since it's fixed (discrete) */
209 scnprintf(buf, FW_NAME_PRE_BUFSIZE, "iwlwifi-cc-a0");
210 return buf;
211 case IWL_CFG_MAC_TYPE_QUZ:
212 mac = "QuZ";
213 /* all QuZ use A0 firmware */
214 mac_step = 'a';
215 break;
216 case IWL_CFG_MAC_TYPE_SO:
217 case IWL_CFG_MAC_TYPE_SOF:
218 mac = "so";
219 mac_step = 'a';
220 break;
221 case IWL_CFG_MAC_TYPE_TY:
222 mac = "ty";
223 mac_step = 'a';
224 break;
225 case IWL_CFG_MAC_TYPE_MA:
226 mac = "ma";
227 break;
228 case IWL_CFG_MAC_TYPE_BZ:
229 case IWL_CFG_MAC_TYPE_BZ_W:
230 mac = "bz";
231 break;
232 case IWL_CFG_MAC_TYPE_GL:
233 mac = "gl";
234 break;
235 case IWL_CFG_MAC_TYPE_SC:
236 mac = "sc";
237 break;
238 case IWL_CFG_MAC_TYPE_SC2:
239 /* Uses the same firmware as SC2 */
240 case IWL_CFG_MAC_TYPE_SC2F:
241 mac = "sc2";
242 break;
243 case IWL_CFG_MAC_TYPE_BR:
244 mac = "br";
245 break;
246 case IWL_CFG_MAC_TYPE_DR:
247 mac = "dr";
248 break;
249 default:
250 return "unknown-mac";
251 }
252
253 rf_step = iwl_drv_get_step(CSR_HW_RFID_STEP(trans->info.hw_rf_id));
254
255 switch (CSR_HW_RFID_TYPE(trans->info.hw_rf_id)) {
256 case IWL_CFG_RF_TYPE_JF1:
257 case IWL_CFG_RF_TYPE_JF2:
258 rf = "jf";
259 rf_step = 'b';
260 break;
261 case IWL_CFG_RF_TYPE_HR1:
262 case IWL_CFG_RF_TYPE_HR2:
263 rf = "hr";
264 rf_step = 'b';
265 break;
266 case IWL_CFG_RF_TYPE_GF:
267 rf = "gf";
268 rf_step = 'a';
269 break;
270 case IWL_CFG_RF_TYPE_FM:
271 rf = "fm";
272 break;
273 case IWL_CFG_RF_TYPE_WH:
274 rf = "wh";
275 break;
276 case IWL_CFG_RF_TYPE_PE:
277 rf = "pe";
278 break;
279 default:
280 return "unknown-rf";
281 }
282
283 cdb = CSR_HW_RFID_IS_CDB(trans->info.hw_rf_id) ? "4" : "";
284
285 scnprintf(buf, FW_NAME_PRE_BUFSIZE,
286 "iwlwifi-%s-%c0-%s%s-%c0",
287 mac, mac_step, rf, cdb, rf_step);
288
289 return buf;
290 }
291 IWL_EXPORT_SYMBOL(iwl_drv_get_fwname_pre);
292
293 static void iwl_req_fw_callback(const struct firmware *ucode_raw,
294 void *context);
295
iwl_get_ucode_api_versions(struct iwl_trans * trans,unsigned int * api_min,unsigned int * api_max)296 static void iwl_get_ucode_api_versions(struct iwl_trans *trans,
297 unsigned int *api_min,
298 unsigned int *api_max)
299 {
300 const struct iwl_family_base_params *base = trans->mac_cfg->base;
301 const struct iwl_rf_cfg *cfg = trans->cfg;
302
303 /* if the MAC doesn't have range or if its range it higher than the RF's */
304 if (!base->ucode_api_max ||
305 (cfg->ucode_api_max && base->ucode_api_min > cfg->ucode_api_max)) {
306 *api_min = cfg->ucode_api_min;
307 *api_max = cfg->ucode_api_max;
308 return;
309 }
310
311 /* if the RF doesn't have range or if its range it higher than the MAC's */
312 if (!cfg->ucode_api_max ||
313 (base->ucode_api_max && cfg->ucode_api_min > base->ucode_api_max)) {
314 *api_min = base->ucode_api_min;
315 *api_max = base->ucode_api_max;
316 return;
317 }
318
319 *api_min = max(cfg->ucode_api_min, base->ucode_api_min);
320 *api_max = min(cfg->ucode_api_max, base->ucode_api_max);
321 }
322
iwl_request_firmware(struct iwl_drv * drv,bool first)323 static int iwl_request_firmware(struct iwl_drv *drv, bool first)
324 {
325 char _fw_name_pre[FW_NAME_PRE_BUFSIZE];
326 unsigned int ucode_api_max, ucode_api_min;
327 const char *fw_name_pre;
328
329 iwl_get_ucode_api_versions(drv->trans, &ucode_api_min, &ucode_api_max);
330
331 if (drv->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000 &&
332 (drv->trans->info.hw_rev_step != SILICON_B_STEP &&
333 drv->trans->info.hw_rev_step != SILICON_C_STEP)) {
334 IWL_ERR(drv,
335 "Only HW steps B and C are currently supported (0x%0x)\n",
336 drv->trans->info.hw_rev);
337 return -EINVAL;
338 }
339
340 fw_name_pre = iwl_drv_get_fwname_pre(drv->trans, _fw_name_pre);
341
342 if (first)
343 drv->fw_index = ucode_api_max;
344 else
345 drv->fw_index--;
346
347 if (drv->fw_index < ucode_api_min) {
348 IWL_ERR(drv, "no suitable firmware found!\n");
349
350 if (ucode_api_min == ucode_api_max) {
351 IWL_ERR(drv, "%s-%d is required\n", fw_name_pre,
352 ucode_api_max);
353 } else {
354 IWL_ERR(drv, "minimum version required: %s-%d\n",
355 fw_name_pre, ucode_api_min);
356 IWL_ERR(drv, "maximum version supported: %s-%d\n",
357 fw_name_pre, ucode_api_max);
358 }
359
360 IWL_ERR(drv,
361 "check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git\n");
362 return -ENOENT;
363 }
364
365 snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s-%d.ucode",
366 fw_name_pre, drv->fw_index);
367
368 IWL_DEBUG_FW_INFO(drv, "attempting to load firmware '%s'\n",
369 drv->firmware_name);
370
371 return request_firmware_nowait(THIS_MODULE, 1, drv->firmware_name,
372 drv->trans->dev,
373 GFP_KERNEL, drv, iwl_req_fw_callback);
374 }
375
376 struct fw_img_parsing {
377 struct fw_sec *sec;
378 int sec_counter;
379 };
380
381 /*
382 * struct fw_sec_parsing: to extract fw section and it's offset from tlv
383 */
384 struct fw_sec_parsing {
385 __le32 offset;
386 const u8 data[];
387 } __packed;
388
389 /**
390 * struct iwl_tlv_calib_data - parse the default calib data from TLV
391 *
392 * @ucode_type: the uCode to which the following default calib relates.
393 * @calib: default calibrations.
394 */
395 struct iwl_tlv_calib_data {
396 __le32 ucode_type;
397 struct iwl_tlv_calib_ctrl calib;
398 } __packed;
399
400 struct iwl_firmware_pieces {
401 struct fw_img_parsing img[IWL_UCODE_TYPE_MAX];
402
403 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
404 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
405
406 /* FW debug data parsed for driver usage */
407 bool dbg_dest_tlv_init;
408 const u8 *dbg_dest_ver;
409 union {
410 const struct iwl_fw_dbg_dest_tlv *dbg_dest_tlv;
411 const struct iwl_fw_dbg_dest_tlv_v1 *dbg_dest_tlv_v1;
412 };
413 const struct iwl_fw_dbg_conf_tlv *dbg_conf_tlv[FW_DBG_CONF_MAX];
414 size_t dbg_conf_tlv_len[FW_DBG_CONF_MAX];
415 const struct iwl_fw_dbg_trigger_tlv *dbg_trigger_tlv[FW_DBG_TRIGGER_MAX];
416 size_t dbg_trigger_tlv_len[FW_DBG_TRIGGER_MAX];
417 struct iwl_fw_dbg_mem_seg_tlv *dbg_mem_tlv;
418 size_t n_mem_tlv;
419 u32 major;
420 };
421
alloc_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)422 static void alloc_sec_data(struct iwl_firmware_pieces *pieces,
423 enum iwl_ucode_type type,
424 int sec)
425 {
426 struct fw_img_parsing *img = &pieces->img[type];
427 struct fw_sec *sec_memory;
428 int size = sec + 1;
429 size_t alloc_size = sizeof(*img->sec) * size;
430
431 if (img->sec && img->sec_counter >= size)
432 return;
433
434 sec_memory = krealloc(img->sec, alloc_size, GFP_KERNEL);
435 if (!sec_memory)
436 return;
437
438 img->sec = sec_memory;
439 img->sec_counter = size;
440 }
441
set_sec_data(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,const void * data)442 static void set_sec_data(struct iwl_firmware_pieces *pieces,
443 enum iwl_ucode_type type,
444 int sec,
445 const void *data)
446 {
447 alloc_sec_data(pieces, type, sec);
448
449 pieces->img[type].sec[sec].data = data;
450 }
451
set_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,size_t size)452 static void set_sec_size(struct iwl_firmware_pieces *pieces,
453 enum iwl_ucode_type type,
454 int sec,
455 size_t size)
456 {
457 alloc_sec_data(pieces, type, sec);
458
459 pieces->img[type].sec[sec].size = size;
460 }
461
get_sec_size(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec)462 static size_t get_sec_size(struct iwl_firmware_pieces *pieces,
463 enum iwl_ucode_type type,
464 int sec)
465 {
466 return pieces->img[type].sec[sec].size;
467 }
468
set_sec_offset(struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type,int sec,u32 offset)469 static void set_sec_offset(struct iwl_firmware_pieces *pieces,
470 enum iwl_ucode_type type,
471 int sec,
472 u32 offset)
473 {
474 alloc_sec_data(pieces, type, sec);
475
476 pieces->img[type].sec[sec].offset = offset;
477 }
478
479 /*
480 * Gets uCode section from tlv.
481 */
iwl_store_ucode_sec(struct fw_img_parsing * img,const void * data,int size)482 static int iwl_store_ucode_sec(struct fw_img_parsing *img,
483 const void *data, int size)
484 {
485 struct fw_sec *sec;
486 const struct fw_sec_parsing *sec_parse;
487 size_t alloc_size;
488
489 if (WARN_ON(!img || !data))
490 return -EINVAL;
491
492 sec_parse = (const struct fw_sec_parsing *)data;
493
494 alloc_size = sizeof(*img->sec) * (img->sec_counter + 1);
495 sec = krealloc(img->sec, alloc_size, GFP_KERNEL);
496 if (!sec)
497 return -ENOMEM;
498 img->sec = sec;
499
500 sec = &img->sec[img->sec_counter];
501
502 sec->offset = le32_to_cpu(sec_parse->offset);
503 sec->data = sec_parse->data;
504 sec->size = size - sizeof(sec_parse->offset);
505
506 ++img->sec_counter;
507
508 return 0;
509 }
510
iwl_set_default_calib(struct iwl_drv * drv,const u8 * data)511 static int iwl_set_default_calib(struct iwl_drv *drv, const u8 *data)
512 {
513 const struct iwl_tlv_calib_data *def_calib =
514 (const struct iwl_tlv_calib_data *)data;
515 u32 ucode_type = le32_to_cpu(def_calib->ucode_type);
516 if (ucode_type >= IWL_UCODE_TYPE_MAX) {
517 IWL_ERR(drv, "Wrong ucode_type %u for default calibration.\n",
518 ucode_type);
519 return -EINVAL;
520 }
521 drv->fw.default_calib[ucode_type].flow_trigger =
522 def_calib->calib.flow_trigger;
523 drv->fw.default_calib[ucode_type].event_trigger =
524 def_calib->calib.event_trigger;
525
526 return 0;
527 }
528
iwl_set_ucode_api_flags(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)529 static void iwl_set_ucode_api_flags(struct iwl_drv *drv, const u8 *data,
530 struct iwl_ucode_capabilities *capa)
531 {
532 const struct iwl_ucode_api *ucode_api = (const void *)data;
533 u32 api_index = le32_to_cpu(ucode_api->api_index);
534 u32 api_flags = le32_to_cpu(ucode_api->api_flags);
535 int i;
536
537 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_API, 32)) {
538 IWL_WARN(drv,
539 "api flags index %d larger than supported by driver\n",
540 api_index);
541 return;
542 }
543
544 for (i = 0; i < 32; i++) {
545 if (api_flags & BIT(i))
546 __set_bit(i + 32 * api_index, capa->_api);
547 }
548 }
549
iwl_set_ucode_capabilities(struct iwl_drv * drv,const u8 * data,struct iwl_ucode_capabilities * capa)550 static void iwl_set_ucode_capabilities(struct iwl_drv *drv, const u8 *data,
551 struct iwl_ucode_capabilities *capa)
552 {
553 const struct iwl_ucode_capa *ucode_capa = (const void *)data;
554 u32 api_index = le32_to_cpu(ucode_capa->api_index);
555 u32 api_flags = le32_to_cpu(ucode_capa->api_capa);
556 int i;
557
558 if (api_index >= DIV_ROUND_UP(NUM_IWL_UCODE_TLV_CAPA, 32)) {
559 IWL_WARN(drv,
560 "capa flags index %d larger than supported by driver\n",
561 api_index);
562 return;
563 }
564
565 for (i = 0; i < 32; i++) {
566 if (api_flags & BIT(i))
567 __set_bit(i + 32 * api_index, capa->_capa);
568 }
569 }
570
iwl_reduced_fw_name(struct iwl_drv * drv)571 static const char *iwl_reduced_fw_name(struct iwl_drv *drv)
572 {
573 const char *name = drv->firmware_name;
574
575 if (strncmp(name, "iwlwifi-", 8) == 0)
576 name += 8;
577
578 return name;
579 }
580
iwl_parse_v1_v2_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces)581 static int iwl_parse_v1_v2_firmware(struct iwl_drv *drv,
582 const struct firmware *ucode_raw,
583 struct iwl_firmware_pieces *pieces)
584 {
585 const struct iwl_ucode_header *ucode = (const void *)ucode_raw->data;
586 u32 api_ver, hdr_size, build;
587 char buildstr[25];
588 const u8 *src;
589
590 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
591 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
592
593 switch (api_ver) {
594 default:
595 hdr_size = 28;
596 if (ucode_raw->size < hdr_size) {
597 IWL_ERR(drv, "File size too small!\n");
598 return -EINVAL;
599 }
600 build = le32_to_cpu(ucode->u.v2.build);
601 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
602 le32_to_cpu(ucode->u.v2.inst_size));
603 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
604 le32_to_cpu(ucode->u.v2.data_size));
605 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
606 le32_to_cpu(ucode->u.v2.init_size));
607 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
608 le32_to_cpu(ucode->u.v2.init_data_size));
609 src = ucode->u.v2.data;
610 break;
611 case 0:
612 case 1:
613 case 2:
614 hdr_size = 24;
615 if (ucode_raw->size < hdr_size) {
616 IWL_ERR(drv, "File size too small!\n");
617 return -EINVAL;
618 }
619 build = 0;
620 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
621 le32_to_cpu(ucode->u.v1.inst_size));
622 set_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
623 le32_to_cpu(ucode->u.v1.data_size));
624 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
625 le32_to_cpu(ucode->u.v1.init_size));
626 set_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
627 le32_to_cpu(ucode->u.v1.init_data_size));
628 src = ucode->u.v1.data;
629 break;
630 }
631
632 if (build)
633 sprintf(buildstr, " build %u", build);
634 else
635 buildstr[0] = '\0';
636
637 snprintf(drv->fw.fw_version,
638 sizeof(drv->fw.fw_version),
639 "%u.%u.%u.%u%s %s",
640 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
641 IWL_UCODE_MINOR(drv->fw.ucode_ver),
642 IWL_UCODE_API(drv->fw.ucode_ver),
643 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
644 buildstr, iwl_reduced_fw_name(drv));
645
646 /* Verify size of file vs. image size info in file's header */
647
648 if (ucode_raw->size != hdr_size +
649 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) +
650 get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) +
651 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) +
652 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA)) {
653
654 IWL_ERR(drv,
655 "uCode file size %d does not match expected size\n",
656 (int)ucode_raw->size);
657 return -EINVAL;
658 }
659
660
661 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST, src);
662 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST);
663 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST,
664 IWLAGN_RTC_INST_LOWER_BOUND);
665 set_sec_data(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA, src);
666 src += get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA);
667 set_sec_offset(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA,
668 IWLAGN_RTC_DATA_LOWER_BOUND);
669 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST, src);
670 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST);
671 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST,
672 IWLAGN_RTC_INST_LOWER_BOUND);
673 set_sec_data(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA, src);
674 src += get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA);
675 set_sec_offset(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA,
676 IWLAGN_RTC_DATA_LOWER_BOUND);
677 return 0;
678 }
679
iwl_drv_set_dump_exclude(struct iwl_drv * drv,enum iwl_ucode_tlv_type tlv_type,const void * tlv_data,u32 tlv_len)680 static void iwl_drv_set_dump_exclude(struct iwl_drv *drv,
681 enum iwl_ucode_tlv_type tlv_type,
682 const void *tlv_data, u32 tlv_len)
683 {
684 const struct iwl_fw_dump_exclude *fw = tlv_data;
685 struct iwl_dump_exclude *excl;
686
687 if (tlv_len < sizeof(*fw))
688 return;
689
690 if (tlv_type == IWL_UCODE_TLV_SEC_TABLE_ADDR) {
691 excl = &drv->fw.dump_excl[0];
692
693 /* second time we find this, it's for WoWLAN */
694 if (excl->addr)
695 excl = &drv->fw.dump_excl_wowlan[0];
696 } else if (fw_has_capa(&drv->fw.ucode_capa,
697 IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG)) {
698 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is regular image */
699 excl = &drv->fw.dump_excl[0];
700 } else {
701 /* IWL_UCODE_TLV_D3_KEK_KCK_ADDR is WoWLAN image */
702 excl = &drv->fw.dump_excl_wowlan[0];
703 }
704
705 if (excl->addr)
706 excl++;
707
708 if (excl->addr) {
709 IWL_DEBUG_FW_INFO(drv, "found too many excludes in fw file\n");
710 return;
711 }
712
713 excl->addr = le32_to_cpu(fw->addr) & ~FW_ADDR_CACHE_CONTROL;
714 excl->size = le32_to_cpu(fw->size);
715 }
716
iwl_parse_dbg_tlv_assert_tables(struct iwl_drv * drv,const struct iwl_ucode_tlv * tlv)717 static void iwl_parse_dbg_tlv_assert_tables(struct iwl_drv *drv,
718 const struct iwl_ucode_tlv *tlv)
719 {
720 const struct iwl_fw_ini_region_tlv *region;
721 u32 length = le32_to_cpu(tlv->length);
722 u32 addr;
723
724 if (length < offsetof(typeof(*region), special_mem) +
725 sizeof(region->special_mem))
726 return;
727
728 region = (const void *)tlv->data;
729 addr = le32_to_cpu(region->special_mem.base_addr);
730 addr += le32_to_cpu(region->special_mem.offset);
731 addr &= ~FW_ADDR_CACHE_CONTROL;
732
733 if (region->type != IWL_FW_INI_REGION_SPECIAL_DEVICE_MEMORY)
734 return;
735
736 switch (region->sub_type) {
737 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_UMAC_ERROR_TABLE:
738 drv->trans->dbg.umac_error_event_table = addr;
739 drv->trans->dbg.error_event_table_tlv_status |=
740 IWL_ERROR_EVENT_TABLE_UMAC;
741 break;
742 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_1_ERROR_TABLE:
743 drv->trans->dbg.lmac_error_event_table[0] = addr;
744 drv->trans->dbg.error_event_table_tlv_status |=
745 IWL_ERROR_EVENT_TABLE_LMAC1;
746 break;
747 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_LMAC_2_ERROR_TABLE:
748 drv->trans->dbg.lmac_error_event_table[1] = addr;
749 drv->trans->dbg.error_event_table_tlv_status |=
750 IWL_ERROR_EVENT_TABLE_LMAC2;
751 break;
752 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_1_ERROR_TABLE:
753 drv->trans->dbg.tcm_error_event_table[0] = addr;
754 drv->trans->dbg.error_event_table_tlv_status |=
755 IWL_ERROR_EVENT_TABLE_TCM1;
756 break;
757 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_TCM_2_ERROR_TABLE:
758 drv->trans->dbg.tcm_error_event_table[1] = addr;
759 drv->trans->dbg.error_event_table_tlv_status |=
760 IWL_ERROR_EVENT_TABLE_TCM2;
761 break;
762 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_1_ERROR_TABLE:
763 drv->trans->dbg.rcm_error_event_table[0] = addr;
764 drv->trans->dbg.error_event_table_tlv_status |=
765 IWL_ERROR_EVENT_TABLE_RCM1;
766 break;
767 case IWL_FW_INI_REGION_DEVICE_MEMORY_SUBTYPE_RCM_2_ERROR_TABLE:
768 drv->trans->dbg.rcm_error_event_table[1] = addr;
769 drv->trans->dbg.error_event_table_tlv_status |=
770 IWL_ERROR_EVENT_TABLE_RCM2;
771 break;
772 default:
773 break;
774 }
775 }
776
iwl_parse_tlv_firmware(struct iwl_drv * drv,const struct firmware * ucode_raw,struct iwl_firmware_pieces * pieces,struct iwl_ucode_capabilities * capa,bool * usniffer_images)777 static int iwl_parse_tlv_firmware(struct iwl_drv *drv,
778 const struct firmware *ucode_raw,
779 struct iwl_firmware_pieces *pieces,
780 struct iwl_ucode_capabilities *capa,
781 bool *usniffer_images)
782 {
783 const struct iwl_tlv_ucode_header *ucode = (const void *)ucode_raw->data;
784 const struct iwl_ucode_tlv *tlv;
785 size_t len = ucode_raw->size;
786 const u8 *data;
787 u32 tlv_len;
788 u32 usniffer_img;
789 enum iwl_ucode_tlv_type tlv_type;
790 const u8 *tlv_data;
791 char buildstr[25];
792 u32 build, paging_mem_size;
793 int num_of_cpus;
794 bool usniffer_req = false;
795
796 if (len < sizeof(*ucode)) {
797 IWL_ERR(drv, "uCode has invalid length: %zd\n", len);
798 return -EINVAL;
799 }
800
801 if (ucode->magic != cpu_to_le32(IWL_TLV_UCODE_MAGIC)) {
802 IWL_ERR(drv, "invalid uCode magic: 0X%x\n",
803 le32_to_cpu(ucode->magic));
804 return -EINVAL;
805 }
806
807 drv->fw.ucode_ver = le32_to_cpu(ucode->ver);
808 memcpy(drv->fw.human_readable, ucode->human_readable,
809 sizeof(drv->fw.human_readable));
810 build = le32_to_cpu(ucode->build);
811
812 if (build)
813 sprintf(buildstr, " build %u", build);
814 else
815 buildstr[0] = '\0';
816
817 snprintf(drv->fw.fw_version,
818 sizeof(drv->fw.fw_version),
819 "%u.%u.%u.%u%s %s",
820 IWL_UCODE_MAJOR(drv->fw.ucode_ver),
821 IWL_UCODE_MINOR(drv->fw.ucode_ver),
822 IWL_UCODE_API(drv->fw.ucode_ver),
823 IWL_UCODE_SERIAL(drv->fw.ucode_ver),
824 buildstr, iwl_reduced_fw_name(drv));
825
826 data = ucode->data;
827
828 len -= sizeof(*ucode);
829
830 while (len >= sizeof(*tlv)) {
831 len -= sizeof(*tlv);
832
833 tlv = (const void *)data;
834 tlv_len = le32_to_cpu(tlv->length);
835 tlv_type = le32_to_cpu(tlv->type);
836 tlv_data = tlv->data;
837
838 if (len < tlv_len) {
839 IWL_ERR(drv, "invalid TLV len: %zd/%u\n",
840 len, tlv_len);
841 return -EINVAL;
842 }
843 len -= ALIGN(tlv_len, 4);
844 data += sizeof(*tlv) + ALIGN(tlv_len, 4);
845
846 switch (tlv_type) {
847 case IWL_UCODE_TLV_INST:
848 set_sec_data(pieces, IWL_UCODE_REGULAR,
849 IWL_UCODE_SECTION_INST, tlv_data);
850 set_sec_size(pieces, IWL_UCODE_REGULAR,
851 IWL_UCODE_SECTION_INST, tlv_len);
852 set_sec_offset(pieces, IWL_UCODE_REGULAR,
853 IWL_UCODE_SECTION_INST,
854 IWLAGN_RTC_INST_LOWER_BOUND);
855 break;
856 case IWL_UCODE_TLV_DATA:
857 set_sec_data(pieces, IWL_UCODE_REGULAR,
858 IWL_UCODE_SECTION_DATA, tlv_data);
859 set_sec_size(pieces, IWL_UCODE_REGULAR,
860 IWL_UCODE_SECTION_DATA, tlv_len);
861 set_sec_offset(pieces, IWL_UCODE_REGULAR,
862 IWL_UCODE_SECTION_DATA,
863 IWLAGN_RTC_DATA_LOWER_BOUND);
864 break;
865 case IWL_UCODE_TLV_INIT:
866 set_sec_data(pieces, IWL_UCODE_INIT,
867 IWL_UCODE_SECTION_INST, tlv_data);
868 set_sec_size(pieces, IWL_UCODE_INIT,
869 IWL_UCODE_SECTION_INST, tlv_len);
870 set_sec_offset(pieces, IWL_UCODE_INIT,
871 IWL_UCODE_SECTION_INST,
872 IWLAGN_RTC_INST_LOWER_BOUND);
873 break;
874 case IWL_UCODE_TLV_INIT_DATA:
875 set_sec_data(pieces, IWL_UCODE_INIT,
876 IWL_UCODE_SECTION_DATA, tlv_data);
877 set_sec_size(pieces, IWL_UCODE_INIT,
878 IWL_UCODE_SECTION_DATA, tlv_len);
879 set_sec_offset(pieces, IWL_UCODE_INIT,
880 IWL_UCODE_SECTION_DATA,
881 IWLAGN_RTC_DATA_LOWER_BOUND);
882 break;
883 case IWL_UCODE_TLV_BOOT:
884 IWL_ERR(drv, "Found unexpected BOOT ucode\n");
885 break;
886 case IWL_UCODE_TLV_PROBE_MAX_LEN:
887 if (tlv_len != sizeof(u32))
888 goto invalid_tlv_len;
889 capa->max_probe_length =
890 le32_to_cpup((const __le32 *)tlv_data);
891 break;
892 case IWL_UCODE_TLV_PAN:
893 if (tlv_len)
894 goto invalid_tlv_len;
895 capa->flags |= IWL_UCODE_TLV_FLAGS_PAN;
896 break;
897 case IWL_UCODE_TLV_FLAGS:
898 /* must be at least one u32 */
899 if (tlv_len < sizeof(u32))
900 goto invalid_tlv_len;
901 /* and a proper number of u32s */
902 if (tlv_len % sizeof(u32))
903 goto invalid_tlv_len;
904 /*
905 * This driver only reads the first u32 as
906 * right now no more features are defined,
907 * if that changes then either the driver
908 * will not work with the new firmware, or
909 * it'll not take advantage of new features.
910 */
911 capa->flags = le32_to_cpup((const __le32 *)tlv_data);
912 break;
913 case IWL_UCODE_TLV_API_CHANGES_SET:
914 if (tlv_len != sizeof(struct iwl_ucode_api))
915 goto invalid_tlv_len;
916 iwl_set_ucode_api_flags(drv, tlv_data, capa);
917 break;
918 case IWL_UCODE_TLV_ENABLED_CAPABILITIES:
919 if (tlv_len != sizeof(struct iwl_ucode_capa))
920 goto invalid_tlv_len;
921 iwl_set_ucode_capabilities(drv, tlv_data, capa);
922 break;
923 case IWL_UCODE_TLV_INIT_EVTLOG_PTR:
924 if (tlv_len != sizeof(u32))
925 goto invalid_tlv_len;
926 pieces->init_evtlog_ptr =
927 le32_to_cpup((const __le32 *)tlv_data);
928 break;
929 case IWL_UCODE_TLV_INIT_EVTLOG_SIZE:
930 if (tlv_len != sizeof(u32))
931 goto invalid_tlv_len;
932 pieces->init_evtlog_size =
933 le32_to_cpup((const __le32 *)tlv_data);
934 break;
935 case IWL_UCODE_TLV_INIT_ERRLOG_PTR:
936 if (tlv_len != sizeof(u32))
937 goto invalid_tlv_len;
938 pieces->init_errlog_ptr =
939 le32_to_cpup((const __le32 *)tlv_data);
940 break;
941 case IWL_UCODE_TLV_RUNT_EVTLOG_PTR:
942 if (tlv_len != sizeof(u32))
943 goto invalid_tlv_len;
944 pieces->inst_evtlog_ptr =
945 le32_to_cpup((const __le32 *)tlv_data);
946 break;
947 case IWL_UCODE_TLV_RUNT_EVTLOG_SIZE:
948 if (tlv_len != sizeof(u32))
949 goto invalid_tlv_len;
950 pieces->inst_evtlog_size =
951 le32_to_cpup((const __le32 *)tlv_data);
952 break;
953 case IWL_UCODE_TLV_RUNT_ERRLOG_PTR:
954 if (tlv_len != sizeof(u32))
955 goto invalid_tlv_len;
956 pieces->inst_errlog_ptr =
957 le32_to_cpup((const __le32 *)tlv_data);
958 break;
959 case IWL_UCODE_TLV_ENHANCE_SENS_TBL:
960 if (tlv_len)
961 goto invalid_tlv_len;
962 drv->fw.enhance_sensitivity_table = true;
963 break;
964 case IWL_UCODE_TLV_WOWLAN_INST:
965 set_sec_data(pieces, IWL_UCODE_WOWLAN,
966 IWL_UCODE_SECTION_INST, tlv_data);
967 set_sec_size(pieces, IWL_UCODE_WOWLAN,
968 IWL_UCODE_SECTION_INST, tlv_len);
969 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
970 IWL_UCODE_SECTION_INST,
971 IWLAGN_RTC_INST_LOWER_BOUND);
972 break;
973 case IWL_UCODE_TLV_WOWLAN_DATA:
974 set_sec_data(pieces, IWL_UCODE_WOWLAN,
975 IWL_UCODE_SECTION_DATA, tlv_data);
976 set_sec_size(pieces, IWL_UCODE_WOWLAN,
977 IWL_UCODE_SECTION_DATA, tlv_len);
978 set_sec_offset(pieces, IWL_UCODE_WOWLAN,
979 IWL_UCODE_SECTION_DATA,
980 IWLAGN_RTC_DATA_LOWER_BOUND);
981 break;
982 case IWL_UCODE_TLV_PHY_CALIBRATION_SIZE:
983 if (tlv_len != sizeof(u32))
984 goto invalid_tlv_len;
985 capa->standard_phy_calibration_size =
986 le32_to_cpup((const __le32 *)tlv_data);
987 break;
988 case IWL_UCODE_TLV_SEC_RT:
989 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
990 tlv_data, tlv_len);
991 drv->fw.type = IWL_FW_MVM;
992 break;
993 case IWL_UCODE_TLV_SEC_INIT:
994 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
995 tlv_data, tlv_len);
996 drv->fw.type = IWL_FW_MVM;
997 break;
998 case IWL_UCODE_TLV_SEC_WOWLAN:
999 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
1000 tlv_data, tlv_len);
1001 drv->fw.type = IWL_FW_MVM;
1002 break;
1003 case IWL_UCODE_TLV_DEF_CALIB:
1004 if (tlv_len != sizeof(struct iwl_tlv_calib_data))
1005 goto invalid_tlv_len;
1006 if (iwl_set_default_calib(drv, tlv_data))
1007 goto tlv_error;
1008 break;
1009 case IWL_UCODE_TLV_PHY_SKU:
1010 if (tlv_len != sizeof(u32))
1011 goto invalid_tlv_len;
1012 drv->fw.phy_config = le32_to_cpup((const __le32 *)tlv_data);
1013 drv->fw.valid_tx_ant = (drv->fw.phy_config &
1014 FW_PHY_CFG_TX_CHAIN) >>
1015 FW_PHY_CFG_TX_CHAIN_POS;
1016 drv->fw.valid_rx_ant = (drv->fw.phy_config &
1017 FW_PHY_CFG_RX_CHAIN) >>
1018 FW_PHY_CFG_RX_CHAIN_POS;
1019 break;
1020 case IWL_UCODE_TLV_SECURE_SEC_RT:
1021 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR],
1022 tlv_data, tlv_len);
1023 drv->fw.type = IWL_FW_MVM;
1024 break;
1025 case IWL_UCODE_TLV_SECURE_SEC_INIT:
1026 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_INIT],
1027 tlv_data, tlv_len);
1028 drv->fw.type = IWL_FW_MVM;
1029 break;
1030 case IWL_UCODE_TLV_SECURE_SEC_WOWLAN:
1031 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_WOWLAN],
1032 tlv_data, tlv_len);
1033 drv->fw.type = IWL_FW_MVM;
1034 break;
1035 case IWL_UCODE_TLV_NUM_OF_CPU:
1036 if (tlv_len != sizeof(u32))
1037 goto invalid_tlv_len;
1038 num_of_cpus =
1039 le32_to_cpup((const __le32 *)tlv_data);
1040
1041 if (num_of_cpus == 2) {
1042 drv->fw.img[IWL_UCODE_REGULAR].is_dual_cpus =
1043 true;
1044 drv->fw.img[IWL_UCODE_INIT].is_dual_cpus =
1045 true;
1046 drv->fw.img[IWL_UCODE_WOWLAN].is_dual_cpus =
1047 true;
1048 } else if ((num_of_cpus > 2) || (num_of_cpus < 1)) {
1049 IWL_ERR(drv, "Driver support up to 2 CPUs\n");
1050 return -EINVAL;
1051 }
1052 break;
1053 case IWL_UCODE_TLV_N_SCAN_CHANNELS:
1054 if (tlv_len != sizeof(u32))
1055 goto invalid_tlv_len;
1056 capa->n_scan_channels =
1057 le32_to_cpup((const __le32 *)tlv_data);
1058 break;
1059 case IWL_UCODE_TLV_FW_VERSION: {
1060 const __le32 *ptr = (const void *)tlv_data;
1061 u32 minor;
1062 u8 local_comp;
1063
1064 if (tlv_len != sizeof(u32) * 3)
1065 goto invalid_tlv_len;
1066
1067 pieces->major = le32_to_cpup(ptr++);
1068 minor = le32_to_cpup(ptr++);
1069 local_comp = le32_to_cpup(ptr);
1070
1071 snprintf(drv->fw.fw_version,
1072 sizeof(drv->fw.fw_version),
1073 "%u.%08x.%u %s", pieces->major, minor,
1074 local_comp, iwl_reduced_fw_name(drv));
1075 break;
1076 }
1077 case IWL_UCODE_TLV_FW_DBG_DEST: {
1078 const struct iwl_fw_dbg_dest_tlv *dest = NULL;
1079 const struct iwl_fw_dbg_dest_tlv_v1 *dest_v1 = NULL;
1080 u8 mon_mode;
1081
1082 pieces->dbg_dest_ver = (const u8 *)tlv_data;
1083 if (*pieces->dbg_dest_ver == 1) {
1084 dest = (const void *)tlv_data;
1085 } else if (*pieces->dbg_dest_ver == 0) {
1086 dest_v1 = (const void *)tlv_data;
1087 } else {
1088 IWL_ERR(drv,
1089 "The version is %d, and it is invalid\n",
1090 *pieces->dbg_dest_ver);
1091 break;
1092 }
1093
1094 if (pieces->dbg_dest_tlv_init) {
1095 IWL_ERR(drv,
1096 "dbg destination ignored, already exists\n");
1097 break;
1098 }
1099
1100 pieces->dbg_dest_tlv_init = true;
1101
1102 if (dest_v1) {
1103 pieces->dbg_dest_tlv_v1 = dest_v1;
1104 mon_mode = dest_v1->monitor_mode;
1105 } else {
1106 pieces->dbg_dest_tlv = dest;
1107 mon_mode = dest->monitor_mode;
1108 }
1109
1110 IWL_INFO(drv, "Found debug destination: %s\n",
1111 get_fw_dbg_mode_string(mon_mode));
1112
1113 drv->fw.dbg.n_dest_reg = (dest_v1) ?
1114 tlv_len -
1115 offsetof(struct iwl_fw_dbg_dest_tlv_v1,
1116 reg_ops) :
1117 tlv_len -
1118 offsetof(struct iwl_fw_dbg_dest_tlv,
1119 reg_ops);
1120
1121 drv->fw.dbg.n_dest_reg /=
1122 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]);
1123
1124 break;
1125 }
1126 case IWL_UCODE_TLV_FW_DBG_CONF: {
1127 const struct iwl_fw_dbg_conf_tlv *conf =
1128 (const void *)tlv_data;
1129
1130 if (!pieces->dbg_dest_tlv_init) {
1131 IWL_ERR(drv,
1132 "Ignore dbg config %d - no destination configured\n",
1133 conf->id);
1134 break;
1135 }
1136
1137 if (conf->id >= ARRAY_SIZE(drv->fw.dbg.conf_tlv)) {
1138 IWL_ERR(drv,
1139 "Skip unknown configuration: %d\n",
1140 conf->id);
1141 break;
1142 }
1143
1144 if (pieces->dbg_conf_tlv[conf->id]) {
1145 IWL_ERR(drv,
1146 "Ignore duplicate dbg config %d\n",
1147 conf->id);
1148 break;
1149 }
1150
1151 if (conf->usniffer)
1152 usniffer_req = true;
1153
1154 IWL_INFO(drv, "Found debug configuration: %d\n",
1155 conf->id);
1156
1157 pieces->dbg_conf_tlv[conf->id] = conf;
1158 pieces->dbg_conf_tlv_len[conf->id] = tlv_len;
1159 break;
1160 }
1161 case IWL_UCODE_TLV_FW_DBG_TRIGGER: {
1162 const struct iwl_fw_dbg_trigger_tlv *trigger =
1163 (const void *)tlv_data;
1164 u32 trigger_id = le32_to_cpu(trigger->id);
1165
1166 if (trigger_id >= ARRAY_SIZE(drv->fw.dbg.trigger_tlv)) {
1167 IWL_ERR(drv,
1168 "Skip unknown trigger: %u\n",
1169 trigger->id);
1170 break;
1171 }
1172
1173 if (pieces->dbg_trigger_tlv[trigger_id]) {
1174 IWL_ERR(drv,
1175 "Ignore duplicate dbg trigger %u\n",
1176 trigger->id);
1177 break;
1178 }
1179
1180 IWL_INFO(drv, "Found debug trigger: %u\n", trigger->id);
1181
1182 pieces->dbg_trigger_tlv[trigger_id] = trigger;
1183 pieces->dbg_trigger_tlv_len[trigger_id] = tlv_len;
1184 break;
1185 }
1186 case IWL_UCODE_TLV_FW_DBG_DUMP_LST: {
1187 if (tlv_len != sizeof(u32)) {
1188 IWL_ERR(drv,
1189 "dbg lst mask size incorrect, skip\n");
1190 break;
1191 }
1192
1193 drv->fw.dbg.dump_mask =
1194 le32_to_cpup((const __le32 *)tlv_data);
1195 break;
1196 }
1197 case IWL_UCODE_TLV_SEC_RT_USNIFFER:
1198 *usniffer_images = true;
1199 iwl_store_ucode_sec(&pieces->img[IWL_UCODE_REGULAR_USNIFFER],
1200 tlv_data, tlv_len);
1201 break;
1202 case IWL_UCODE_TLV_PAGING:
1203 if (tlv_len != sizeof(u32))
1204 goto invalid_tlv_len;
1205 paging_mem_size = le32_to_cpup((const __le32 *)tlv_data);
1206
1207 IWL_DEBUG_FW(drv,
1208 "Paging: paging enabled (size = %u bytes)\n",
1209 paging_mem_size);
1210
1211 if (paging_mem_size > MAX_PAGING_IMAGE_SIZE) {
1212 IWL_ERR(drv,
1213 "Paging: driver supports up to %lu bytes for paging image\n",
1214 MAX_PAGING_IMAGE_SIZE);
1215 return -EINVAL;
1216 }
1217
1218 if (paging_mem_size & (FW_PAGING_SIZE - 1)) {
1219 IWL_ERR(drv,
1220 "Paging: image isn't multiple %lu\n",
1221 FW_PAGING_SIZE);
1222 return -EINVAL;
1223 }
1224
1225 drv->fw.img[IWL_UCODE_REGULAR].paging_mem_size =
1226 paging_mem_size;
1227 usniffer_img = IWL_UCODE_REGULAR_USNIFFER;
1228 drv->fw.img[usniffer_img].paging_mem_size =
1229 paging_mem_size;
1230 break;
1231 case IWL_UCODE_TLV_FW_GSCAN_CAPA:
1232 /* ignored */
1233 break;
1234 case IWL_UCODE_TLV_FW_MEM_SEG: {
1235 const struct iwl_fw_dbg_mem_seg_tlv *dbg_mem =
1236 (const void *)tlv_data;
1237 size_t size;
1238 struct iwl_fw_dbg_mem_seg_tlv *n;
1239
1240 if (tlv_len != (sizeof(*dbg_mem)))
1241 goto invalid_tlv_len;
1242
1243 IWL_DEBUG_INFO(drv, "Found debug memory segment: %u\n",
1244 dbg_mem->data_type);
1245
1246 size = sizeof(*pieces->dbg_mem_tlv) *
1247 (pieces->n_mem_tlv + 1);
1248 n = krealloc(pieces->dbg_mem_tlv, size, GFP_KERNEL);
1249 if (!n)
1250 return -ENOMEM;
1251 pieces->dbg_mem_tlv = n;
1252 pieces->dbg_mem_tlv[pieces->n_mem_tlv] = *dbg_mem;
1253 pieces->n_mem_tlv++;
1254 break;
1255 }
1256 case IWL_UCODE_TLV_IML: {
1257 drv->fw.iml_len = tlv_len;
1258 drv->fw.iml = kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1259 if (!drv->fw.iml)
1260 return -ENOMEM;
1261 break;
1262 }
1263 case IWL_UCODE_TLV_FW_RECOVERY_INFO: {
1264 const struct {
1265 __le32 buf_addr;
1266 __le32 buf_size;
1267 } *recov_info = (const void *)tlv_data;
1268
1269 if (tlv_len != sizeof(*recov_info))
1270 goto invalid_tlv_len;
1271 capa->error_log_addr =
1272 le32_to_cpu(recov_info->buf_addr);
1273 capa->error_log_size =
1274 le32_to_cpu(recov_info->buf_size);
1275 }
1276 break;
1277 case IWL_UCODE_TLV_FW_FSEQ_VERSION: {
1278 const struct {
1279 u8 version[32];
1280 u8 sha1[20];
1281 } *fseq_ver = (const void *)tlv_data;
1282
1283 if (tlv_len != sizeof(*fseq_ver))
1284 goto invalid_tlv_len;
1285 IWL_DEBUG_INFO(drv, "TLV_FW_FSEQ_VERSION: %.32s\n",
1286 fseq_ver->version);
1287 }
1288 break;
1289 case IWL_UCODE_TLV_FW_NUM_STATIONS:
1290 if (tlv_len != sizeof(u32))
1291 goto invalid_tlv_len;
1292 if (le32_to_cpup((const __le32 *)tlv_data) >
1293 IWL_STATION_COUNT_MAX) {
1294 IWL_ERR(drv,
1295 "%d is an invalid number of station\n",
1296 le32_to_cpup((const __le32 *)tlv_data));
1297 goto tlv_error;
1298 }
1299 capa->num_stations =
1300 le32_to_cpup((const __le32 *)tlv_data);
1301 break;
1302 case IWL_UCODE_TLV_FW_NUM_LINKS:
1303 if (tlv_len != sizeof(u32))
1304 goto invalid_tlv_len;
1305 if (le32_to_cpup((const __le32 *)tlv_data) >
1306 IWL_FW_MAX_LINK_ID + 1) {
1307 IWL_ERR(drv,
1308 "%d is an invalid number of links\n",
1309 le32_to_cpup((const __le32 *)tlv_data));
1310 goto tlv_error;
1311 }
1312 capa->num_links =
1313 le32_to_cpup((const __le32 *)tlv_data);
1314 break;
1315 case IWL_UCODE_TLV_FW_NUM_BEACONS:
1316 if (tlv_len != sizeof(u32))
1317 goto invalid_tlv_len;
1318 capa->num_beacons =
1319 le32_to_cpup((const __le32 *)tlv_data);
1320 break;
1321 case IWL_UCODE_TLV_UMAC_DEBUG_ADDRS: {
1322 const struct iwl_umac_debug_addrs *dbg_ptrs =
1323 (const void *)tlv_data;
1324
1325 if (tlv_len != sizeof(*dbg_ptrs))
1326 goto invalid_tlv_len;
1327 if (drv->trans->mac_cfg->device_family <
1328 IWL_DEVICE_FAMILY_22000)
1329 break;
1330 drv->trans->dbg.umac_error_event_table =
1331 le32_to_cpu(dbg_ptrs->error_info_addr) &
1332 ~FW_ADDR_CACHE_CONTROL;
1333 drv->trans->dbg.error_event_table_tlv_status |=
1334 IWL_ERROR_EVENT_TABLE_UMAC;
1335 break;
1336 }
1337 case IWL_UCODE_TLV_LMAC_DEBUG_ADDRS: {
1338 const struct iwl_lmac_debug_addrs *dbg_ptrs =
1339 (const void *)tlv_data;
1340
1341 if (tlv_len != sizeof(*dbg_ptrs))
1342 goto invalid_tlv_len;
1343 if (drv->trans->mac_cfg->device_family <
1344 IWL_DEVICE_FAMILY_22000)
1345 break;
1346 drv->trans->dbg.lmac_error_event_table[0] =
1347 le32_to_cpu(dbg_ptrs->error_event_table_ptr) &
1348 ~FW_ADDR_CACHE_CONTROL;
1349 drv->trans->dbg.error_event_table_tlv_status |=
1350 IWL_ERROR_EVENT_TABLE_LMAC1;
1351 break;
1352 }
1353 case IWL_UCODE_TLV_TYPE_REGIONS:
1354 iwl_parse_dbg_tlv_assert_tables(drv, tlv);
1355 fallthrough;
1356 case IWL_UCODE_TLV_TYPE_DEBUG_INFO:
1357 case IWL_UCODE_TLV_TYPE_BUFFER_ALLOCATION:
1358 case IWL_UCODE_TLV_TYPE_HCMD:
1359 case IWL_UCODE_TLV_TYPE_TRIGGERS:
1360 case IWL_UCODE_TLV_TYPE_CONF_SET:
1361 if (iwlwifi_mod_params.enable_ini)
1362 iwl_dbg_tlv_alloc(drv->trans, tlv, false);
1363 break;
1364 case IWL_UCODE_TLV_CMD_VERSIONS:
1365 if (tlv_len % sizeof(struct iwl_fw_cmd_version)) {
1366 IWL_ERR(drv,
1367 "Invalid length for command versions: %u\n",
1368 tlv_len);
1369 tlv_len /= sizeof(struct iwl_fw_cmd_version);
1370 tlv_len *= sizeof(struct iwl_fw_cmd_version);
1371 }
1372 if (WARN_ON(capa->cmd_versions))
1373 return -EINVAL;
1374 capa->cmd_versions = kmemdup(tlv_data, tlv_len,
1375 GFP_KERNEL);
1376 if (!capa->cmd_versions)
1377 return -ENOMEM;
1378 capa->n_cmd_versions =
1379 tlv_len / sizeof(struct iwl_fw_cmd_version);
1380 break;
1381 case IWL_UCODE_TLV_PHY_INTEGRATION_VERSION:
1382 if (drv->fw.phy_integration_ver) {
1383 IWL_ERR(drv,
1384 "phy integration str ignored, already exists\n");
1385 break;
1386 }
1387
1388 drv->fw.phy_integration_ver =
1389 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1390 if (!drv->fw.phy_integration_ver)
1391 return -ENOMEM;
1392 drv->fw.phy_integration_ver_len = tlv_len;
1393 break;
1394 case IWL_UCODE_TLV_SEC_TABLE_ADDR:
1395 case IWL_UCODE_TLV_D3_KEK_KCK_ADDR:
1396 iwl_drv_set_dump_exclude(drv, tlv_type,
1397 tlv_data, tlv_len);
1398 break;
1399 case IWL_UCODE_TLV_CURRENT_PC:
1400 if (tlv_len < sizeof(struct iwl_pc_data))
1401 goto invalid_tlv_len;
1402 drv->trans->dbg.pc_data =
1403 kmemdup(tlv_data, tlv_len, GFP_KERNEL);
1404 if (!drv->trans->dbg.pc_data)
1405 return -ENOMEM;
1406 drv->trans->dbg.num_pc =
1407 tlv_len / sizeof(struct iwl_pc_data);
1408 break;
1409 case IWL_UCODE_TLV_PNVM_DATA:
1410 if (drv->fw.pnvm_data)
1411 break;
1412 drv->fw.pnvm_data =
1413 kvmemdup(tlv_data, tlv_len, GFP_KERNEL);
1414 if (!drv->fw.pnvm_data)
1415 return -ENOMEM;
1416 drv->fw.pnvm_size = tlv_len;
1417 break;
1418 default:
1419 IWL_DEBUG_INFO(drv, "unknown TLV: %d\n", tlv_type);
1420 break;
1421 }
1422 }
1423
1424 if (!fw_has_capa(capa, IWL_UCODE_TLV_CAPA_USNIFFER_UNIFIED) &&
1425 usniffer_req && !*usniffer_images) {
1426 IWL_ERR(drv,
1427 "user selected to work with usniffer but usniffer image isn't available in ucode package\n");
1428 return -EINVAL;
1429 }
1430
1431 if (len) {
1432 IWL_ERR(drv, "invalid TLV after parsing: %zd\n", len);
1433 iwl_print_hex_dump(drv, IWL_DL_FW, data, len);
1434 return -EINVAL;
1435 }
1436
1437 return 0;
1438
1439 invalid_tlv_len:
1440 IWL_ERR(drv, "TLV %d has invalid size: %u\n", tlv_type, tlv_len);
1441 tlv_error:
1442 iwl_print_hex_dump(drv, IWL_DL_FW, tlv_data, tlv_len);
1443
1444 return -EINVAL;
1445 }
1446
iwl_alloc_ucode_mem(struct fw_img * out,struct fw_img_parsing * img)1447 static int iwl_alloc_ucode_mem(struct fw_img *out, struct fw_img_parsing *img)
1448 {
1449 struct fw_desc *sec;
1450
1451 sec = kcalloc(img->sec_counter, sizeof(*sec), GFP_KERNEL);
1452 if (!sec)
1453 return -ENOMEM;
1454
1455 out->sec = sec;
1456 out->num_sec = img->sec_counter;
1457
1458 for (int i = 0; i < out->num_sec; i++)
1459 if (iwl_alloc_fw_desc(&sec[i], &img->sec[i]))
1460 return -ENOMEM;
1461
1462 return 0;
1463 }
1464
iwl_alloc_ucode(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,enum iwl_ucode_type type)1465 static int iwl_alloc_ucode(struct iwl_drv *drv,
1466 struct iwl_firmware_pieces *pieces,
1467 enum iwl_ucode_type type)
1468 {
1469 return iwl_alloc_ucode_mem(&drv->fw.img[type], &pieces->img[type]);
1470 }
1471
validate_sec_sizes(struct iwl_drv * drv,struct iwl_firmware_pieces * pieces,const struct iwl_rf_cfg * cfg)1472 static int validate_sec_sizes(struct iwl_drv *drv,
1473 struct iwl_firmware_pieces *pieces,
1474 const struct iwl_rf_cfg *cfg)
1475 {
1476 IWL_DEBUG_INFO(drv, "f/w package hdr runtime inst size = %zd\n",
1477 get_sec_size(pieces, IWL_UCODE_REGULAR,
1478 IWL_UCODE_SECTION_INST));
1479 IWL_DEBUG_INFO(drv, "f/w package hdr runtime data size = %zd\n",
1480 get_sec_size(pieces, IWL_UCODE_REGULAR,
1481 IWL_UCODE_SECTION_DATA));
1482 IWL_DEBUG_INFO(drv, "f/w package hdr init inst size = %zd\n",
1483 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST));
1484 IWL_DEBUG_INFO(drv, "f/w package hdr init data size = %zd\n",
1485 get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA));
1486
1487 /* Verify that uCode images will fit in card's SRAM. */
1488 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_INST) >
1489 cfg->max_inst_size) {
1490 IWL_ERR(drv, "uCode instr len %zd too large to fit in\n",
1491 get_sec_size(pieces, IWL_UCODE_REGULAR,
1492 IWL_UCODE_SECTION_INST));
1493 return -1;
1494 }
1495
1496 if (get_sec_size(pieces, IWL_UCODE_REGULAR, IWL_UCODE_SECTION_DATA) >
1497 cfg->max_data_size) {
1498 IWL_ERR(drv, "uCode data len %zd too large to fit in\n",
1499 get_sec_size(pieces, IWL_UCODE_REGULAR,
1500 IWL_UCODE_SECTION_DATA));
1501 return -1;
1502 }
1503
1504 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_INST) >
1505 cfg->max_inst_size) {
1506 IWL_ERR(drv, "uCode init instr len %zd too large to fit in\n",
1507 get_sec_size(pieces, IWL_UCODE_INIT,
1508 IWL_UCODE_SECTION_INST));
1509 return -1;
1510 }
1511
1512 if (get_sec_size(pieces, IWL_UCODE_INIT, IWL_UCODE_SECTION_DATA) >
1513 cfg->max_data_size) {
1514 IWL_ERR(drv, "uCode init data len %zd too large to fit in\n",
1515 get_sec_size(pieces, IWL_UCODE_REGULAR,
1516 IWL_UCODE_SECTION_DATA));
1517 return -1;
1518 }
1519 return 0;
1520 }
1521
1522 static struct iwl_op_mode *
_iwl_op_mode_start(struct iwl_drv * drv,struct iwlwifi_opmode_table * op)1523 _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
1524 {
1525 const struct iwl_op_mode_ops *ops = op->ops;
1526 struct dentry *dbgfs_dir = NULL;
1527 struct iwl_op_mode *op_mode = NULL;
1528 int retry, max_retry = !!iwlwifi_mod_params.fw_restart * IWL_MAX_INIT_RETRY;
1529
1530 /* also protects start/stop from racing against each other */
1531 lockdep_assert_held(&iwlwifi_opmode_table_mtx);
1532
1533 for (retry = 0; retry <= max_retry; retry++) {
1534
1535 #ifdef CONFIG_IWLWIFI_DEBUGFS
1536 drv->dbgfs_op_mode = debugfs_create_dir(op->name,
1537 drv->dbgfs_drv);
1538 dbgfs_dir = drv->dbgfs_op_mode;
1539 #endif
1540
1541 op_mode = ops->start(drv->trans, drv->trans->cfg,
1542 &drv->fw, dbgfs_dir);
1543
1544 if (!IS_ERR(op_mode))
1545 return op_mode;
1546
1547 if (iwl_trans_is_dead(drv->trans))
1548 break;
1549
1550 #ifdef CONFIG_IWLWIFI_DEBUGFS
1551 debugfs_remove_recursive(drv->dbgfs_op_mode);
1552 drv->dbgfs_op_mode = NULL;
1553 #endif
1554
1555 if (PTR_ERR(op_mode) != -ETIMEDOUT)
1556 break;
1557
1558 IWL_ERR(drv, "retry init count %d\n", retry);
1559 }
1560
1561 return NULL;
1562 }
1563
_iwl_op_mode_stop(struct iwl_drv * drv)1564 static void _iwl_op_mode_stop(struct iwl_drv *drv)
1565 {
1566 /* also protects start/stop from racing against each other */
1567 lockdep_assert_held(&iwlwifi_opmode_table_mtx);
1568
1569 /* op_mode can be NULL if its start failed */
1570 if (drv->op_mode) {
1571 iwl_op_mode_stop(drv->op_mode);
1572 drv->op_mode = NULL;
1573
1574 #ifdef CONFIG_IWLWIFI_DEBUGFS
1575 debugfs_remove_recursive(drv->dbgfs_op_mode);
1576 drv->dbgfs_op_mode = NULL;
1577 #endif
1578 }
1579 }
1580
1581 #define IWL_MLD_SUPPORTED_FW_VERSION 97
1582
1583 /*
1584 * iwl_req_fw_callback - callback when firmware was loaded
1585 *
1586 * If loaded successfully, copies the firmware into buffers
1587 * for the card to fetch (via DMA).
1588 */
iwl_req_fw_callback(const struct firmware * ucode_raw,void * context)1589 static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
1590 {
1591 struct iwl_drv *drv = context;
1592 struct iwl_fw *fw = &drv->fw;
1593 const struct iwl_ucode_header *ucode;
1594 struct iwlwifi_opmode_table *op;
1595 int err;
1596 struct iwl_firmware_pieces *pieces;
1597 unsigned int api_min, api_max;
1598 size_t trigger_tlv_sz[FW_DBG_TRIGGER_MAX];
1599 u32 api_ver;
1600 int i;
1601 bool usniffer_images = false;
1602 bool failure = true;
1603
1604 iwl_get_ucode_api_versions(drv->trans, &api_min, &api_max);
1605
1606 fw->ucode_capa.max_probe_length = IWL_DEFAULT_MAX_PROBE_LENGTH;
1607 fw->ucode_capa.standard_phy_calibration_size =
1608 IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1609 fw->ucode_capa.n_scan_channels = IWL_DEFAULT_SCAN_CHANNELS;
1610 fw->ucode_capa.num_stations = IWL_STATION_COUNT_MAX;
1611 fw->ucode_capa.num_beacons = 1;
1612 /* dump all fw memory areas by default */
1613 fw->dbg.dump_mask = 0xffffffff;
1614
1615 pieces = kzalloc(sizeof(*pieces), GFP_KERNEL);
1616 if (!pieces)
1617 goto out_free_fw;
1618
1619 if (!ucode_raw)
1620 goto try_again;
1621
1622 IWL_DEBUG_FW_INFO(drv, "Loaded firmware file '%s' (%zd bytes).\n",
1623 drv->firmware_name, ucode_raw->size);
1624
1625 /* Make sure that we got at least the API version number */
1626 if (ucode_raw->size < 4) {
1627 IWL_ERR(drv, "File size way too small!\n");
1628 goto try_again;
1629 }
1630
1631 /* Data from ucode file: header followed by uCode images */
1632 ucode = (const struct iwl_ucode_header *)ucode_raw->data;
1633
1634 if (ucode->ver)
1635 err = iwl_parse_v1_v2_firmware(drv, ucode_raw, pieces);
1636 else
1637 err = iwl_parse_tlv_firmware(drv, ucode_raw, pieces,
1638 &fw->ucode_capa, &usniffer_images);
1639
1640 if (err)
1641 goto try_again;
1642
1643 if (fw_has_api(&drv->fw.ucode_capa, IWL_UCODE_TLV_API_NEW_VERSION))
1644 api_ver = drv->fw.ucode_ver;
1645 else
1646 api_ver = IWL_UCODE_API(drv->fw.ucode_ver);
1647
1648 /*
1649 * api_ver should match the api version forming part of the
1650 * firmware filename ... but we don't check for that and only rely
1651 * on the API version read from firmware header from here on forward
1652 */
1653 if (api_ver < api_min || api_ver > api_max) {
1654 IWL_ERR(drv,
1655 "Driver unable to support your firmware API. "
1656 "Driver supports v%u, firmware is v%u.\n",
1657 api_max, api_ver);
1658 goto try_again;
1659 }
1660
1661 /*
1662 * In mvm uCode there is no difference between data and instructions
1663 * sections.
1664 */
1665 if (fw->type == IWL_FW_DVM && validate_sec_sizes(drv, pieces,
1666 drv->trans->cfg))
1667 goto try_again;
1668
1669 /* Allocate ucode buffers for card's bus-master loading ... */
1670
1671 /* Runtime instructions and 2 copies of data:
1672 * 1) unmodified from disk
1673 * 2) backup cache for save/restore during power-downs
1674 */
1675 for (i = 0; i < IWL_UCODE_TYPE_MAX; i++)
1676 if (iwl_alloc_ucode(drv, pieces, i))
1677 goto out_free_fw;
1678
1679 if (pieces->dbg_dest_tlv_init) {
1680 size_t dbg_dest_size = sizeof(*drv->fw.dbg.dest_tlv) +
1681 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1682 drv->fw.dbg.n_dest_reg;
1683
1684 drv->fw.dbg.dest_tlv = kmalloc(dbg_dest_size, GFP_KERNEL);
1685
1686 if (!drv->fw.dbg.dest_tlv)
1687 goto out_free_fw;
1688
1689 if (*pieces->dbg_dest_ver == 0) {
1690 memcpy(drv->fw.dbg.dest_tlv, pieces->dbg_dest_tlv_v1,
1691 dbg_dest_size);
1692 } else {
1693 struct iwl_fw_dbg_dest_tlv_v1 *dest_tlv =
1694 drv->fw.dbg.dest_tlv;
1695
1696 dest_tlv->version = pieces->dbg_dest_tlv->version;
1697 dest_tlv->monitor_mode =
1698 pieces->dbg_dest_tlv->monitor_mode;
1699 dest_tlv->size_power =
1700 pieces->dbg_dest_tlv->size_power;
1701 dest_tlv->wrap_count =
1702 pieces->dbg_dest_tlv->wrap_count;
1703 dest_tlv->write_ptr_reg =
1704 pieces->dbg_dest_tlv->write_ptr_reg;
1705 dest_tlv->base_shift =
1706 pieces->dbg_dest_tlv->base_shift;
1707 memcpy(dest_tlv->reg_ops,
1708 pieces->dbg_dest_tlv->reg_ops,
1709 sizeof(drv->fw.dbg.dest_tlv->reg_ops[0]) *
1710 drv->fw.dbg.n_dest_reg);
1711
1712 /* In version 1 of the destination tlv, which is
1713 * relevant for internal buffer exclusively,
1714 * the base address is part of given with the length
1715 * of the buffer, and the size shift is give instead of
1716 * end shift. We now store these values in base_reg,
1717 * and end shift, and when dumping the data we'll
1718 * manipulate it for extracting both the length and
1719 * base address */
1720 dest_tlv->base_reg = pieces->dbg_dest_tlv->cfg_reg;
1721 dest_tlv->end_shift =
1722 pieces->dbg_dest_tlv->size_shift;
1723 }
1724 }
1725
1726 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.conf_tlv); i++) {
1727 if (pieces->dbg_conf_tlv[i]) {
1728 drv->fw.dbg.conf_tlv[i] =
1729 kmemdup(pieces->dbg_conf_tlv[i],
1730 pieces->dbg_conf_tlv_len[i],
1731 GFP_KERNEL);
1732 if (!drv->fw.dbg.conf_tlv[i])
1733 goto out_free_fw;
1734 }
1735 }
1736
1737 memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
1738
1739 trigger_tlv_sz[FW_DBG_TRIGGER_MISSED_BEACONS] =
1740 sizeof(struct iwl_fw_dbg_trigger_missed_bcon);
1741 trigger_tlv_sz[FW_DBG_TRIGGER_CHANNEL_SWITCH] = 0;
1742 trigger_tlv_sz[FW_DBG_TRIGGER_FW_NOTIF] =
1743 sizeof(struct iwl_fw_dbg_trigger_cmd);
1744 trigger_tlv_sz[FW_DBG_TRIGGER_MLME] =
1745 sizeof(struct iwl_fw_dbg_trigger_mlme);
1746 trigger_tlv_sz[FW_DBG_TRIGGER_STATS] =
1747 sizeof(struct iwl_fw_dbg_trigger_stats);
1748 trigger_tlv_sz[FW_DBG_TRIGGER_RSSI] =
1749 sizeof(struct iwl_fw_dbg_trigger_low_rssi);
1750 trigger_tlv_sz[FW_DBG_TRIGGER_TXQ_TIMERS] =
1751 sizeof(struct iwl_fw_dbg_trigger_txq_timer);
1752 trigger_tlv_sz[FW_DBG_TRIGGER_TIME_EVENT] =
1753 sizeof(struct iwl_fw_dbg_trigger_time_event);
1754 trigger_tlv_sz[FW_DBG_TRIGGER_BA] =
1755 sizeof(struct iwl_fw_dbg_trigger_ba);
1756 trigger_tlv_sz[FW_DBG_TRIGGER_TDLS] =
1757 sizeof(struct iwl_fw_dbg_trigger_tdls);
1758
1759 for (i = 0; i < ARRAY_SIZE(drv->fw.dbg.trigger_tlv); i++) {
1760 if (pieces->dbg_trigger_tlv[i]) {
1761 /*
1762 * If the trigger isn't long enough, WARN and exit.
1763 * Someone is trying to debug something and he won't
1764 * be able to catch the bug he is trying to chase.
1765 * We'd better be noisy to be sure he knows what's
1766 * going on.
1767 */
1768 if (WARN_ON(pieces->dbg_trigger_tlv_len[i] <
1769 (trigger_tlv_sz[i] +
1770 sizeof(struct iwl_fw_dbg_trigger_tlv))))
1771 goto out_free_fw;
1772 drv->fw.dbg.trigger_tlv_len[i] =
1773 pieces->dbg_trigger_tlv_len[i];
1774 drv->fw.dbg.trigger_tlv[i] =
1775 kmemdup(pieces->dbg_trigger_tlv[i],
1776 drv->fw.dbg.trigger_tlv_len[i],
1777 GFP_KERNEL);
1778 if (!drv->fw.dbg.trigger_tlv[i])
1779 goto out_free_fw;
1780 }
1781 }
1782
1783 /* Now that we can no longer fail, copy information */
1784
1785 drv->fw.dbg.mem_tlv = pieces->dbg_mem_tlv;
1786 pieces->dbg_mem_tlv = NULL;
1787 drv->fw.dbg.n_mem_tlv = pieces->n_mem_tlv;
1788
1789 /*
1790 * The (size - 16) / 12 formula is based on the information recorded
1791 * for each event, which is of mode 1 (including timestamp) for all
1792 * new microcodes that include this information.
1793 */
1794 fw->init_evtlog_ptr = pieces->init_evtlog_ptr;
1795 if (pieces->init_evtlog_size)
1796 fw->init_evtlog_size = (pieces->init_evtlog_size - 16)/12;
1797 else
1798 fw->init_evtlog_size =
1799 drv->trans->mac_cfg->base->max_event_log_size;
1800 fw->init_errlog_ptr = pieces->init_errlog_ptr;
1801 fw->inst_evtlog_ptr = pieces->inst_evtlog_ptr;
1802 if (pieces->inst_evtlog_size)
1803 fw->inst_evtlog_size = (pieces->inst_evtlog_size - 16)/12;
1804 else
1805 fw->inst_evtlog_size =
1806 drv->trans->mac_cfg->base->max_event_log_size;
1807 fw->inst_errlog_ptr = pieces->inst_errlog_ptr;
1808
1809 /*
1810 * figure out the offset of chain noise reset and gain commands
1811 * base on the size of standard phy calibration commands table size
1812 */
1813 if (fw->ucode_capa.standard_phy_calibration_size >
1814 IWL_MAX_PHY_CALIBRATE_TBL_SIZE)
1815 fw->ucode_capa.standard_phy_calibration_size =
1816 IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE;
1817
1818 /* We have our copies now, allow OS release its copies */
1819 release_firmware(ucode_raw);
1820
1821 iwl_dbg_tlv_load_bin(drv->trans->dev, drv->trans);
1822
1823 mutex_lock(&iwlwifi_opmode_table_mtx);
1824 switch (fw->type) {
1825 case IWL_FW_DVM:
1826 op = &iwlwifi_opmode_table[DVM_OP_MODE];
1827 break;
1828 default:
1829 WARN(1, "Invalid fw type %d\n", fw->type);
1830 fallthrough;
1831 case IWL_FW_MVM:
1832 op = &iwlwifi_opmode_table[MVM_OP_MODE];
1833 break;
1834 }
1835
1836 #if IS_ENABLED(CONFIG_IWLMLD)
1837 if (pieces->major >= IWL_MLD_SUPPORTED_FW_VERSION &&
1838 iwl_drv_is_wifi7_supported(drv->trans))
1839 op = &iwlwifi_opmode_table[MLD_OP_MODE];
1840 #else
1841 if (pieces->major >= IWL_MLD_SUPPORTED_FW_VERSION &&
1842 iwl_drv_is_wifi7_supported(drv->trans)) {
1843 IWL_ERR(drv,
1844 "IWLMLD needs to be compiled to support this firmware\n");
1845 mutex_unlock(&iwlwifi_opmode_table_mtx);
1846 goto out_unbind;
1847 }
1848 #endif
1849
1850 IWL_INFO(drv, "loaded firmware version %s op_mode %s\n",
1851 drv->fw.fw_version, op->name);
1852
1853 /* add this device to the list of devices using this op_mode */
1854 list_add_tail(&drv->list, &op->drv);
1855
1856 if (op->ops) {
1857 drv->op_mode = _iwl_op_mode_start(drv, op);
1858
1859 if (!drv->op_mode) {
1860 mutex_unlock(&iwlwifi_opmode_table_mtx);
1861 goto out_unbind;
1862 }
1863 } else {
1864 request_module_nowait("%s", op->name);
1865 }
1866 mutex_unlock(&iwlwifi_opmode_table_mtx);
1867
1868 complete(&drv->request_firmware_complete);
1869
1870 failure = false;
1871 goto free;
1872
1873 try_again:
1874 /* try next, if any */
1875 release_firmware(ucode_raw);
1876 if (iwl_request_firmware(drv, false))
1877 goto out_unbind;
1878 goto free;
1879
1880 out_free_fw:
1881 release_firmware(ucode_raw);
1882 out_unbind:
1883 complete(&drv->request_firmware_complete);
1884 device_release_driver(drv->trans->dev);
1885 /* drv has just been freed by the release */
1886 failure = false;
1887 free:
1888 if (failure)
1889 iwl_dealloc_ucode(drv);
1890
1891 if (pieces) {
1892 for (i = 0; i < ARRAY_SIZE(pieces->img); i++)
1893 kfree(pieces->img[i].sec);
1894 kfree(pieces->dbg_mem_tlv);
1895 kfree(pieces);
1896 }
1897 }
1898
iwl_drv_start(struct iwl_trans * trans)1899 struct iwl_drv *iwl_drv_start(struct iwl_trans *trans)
1900 {
1901 struct iwl_drv *drv;
1902 int ret;
1903
1904 drv = kzalloc(sizeof(*drv), GFP_KERNEL);
1905 if (!drv) {
1906 ret = -ENOMEM;
1907 goto err;
1908 }
1909
1910 drv->trans = trans;
1911 drv->dev = trans->dev;
1912
1913 init_completion(&drv->request_firmware_complete);
1914 INIT_LIST_HEAD(&drv->list);
1915
1916 #ifdef CONFIG_IWLWIFI_DEBUGFS
1917 /* Create the device debugfs entries. */
1918 drv->dbgfs_drv = debugfs_create_dir(dev_name(trans->dev),
1919 iwl_dbgfs_root);
1920
1921 /* Create transport layer debugfs dir */
1922 drv->trans->dbgfs_dir = debugfs_create_dir("trans", drv->dbgfs_drv);
1923 #endif
1924
1925 drv->trans->dbg.domains_bitmap = IWL_TRANS_FW_DBG_DOMAIN(drv->trans);
1926 if (iwlwifi_mod_params.enable_ini != ENABLE_INI) {
1927 /* We have a non-default value in the module parameter,
1928 * take its value
1929 */
1930 drv->trans->dbg.domains_bitmap &= 0xffff;
1931 if (iwlwifi_mod_params.enable_ini != IWL_FW_INI_PRESET_DISABLE) {
1932 if (iwlwifi_mod_params.enable_ini > ENABLE_INI) {
1933 IWL_ERR(trans,
1934 "invalid enable_ini module parameter value: max = %d, using 0 instead\n",
1935 ENABLE_INI);
1936 iwlwifi_mod_params.enable_ini = 0;
1937 }
1938 drv->trans->dbg.domains_bitmap =
1939 BIT(IWL_FW_DBG_DOMAIN_POS + iwlwifi_mod_params.enable_ini);
1940 }
1941 }
1942
1943 ret = iwl_request_firmware(drv, true);
1944 if (ret) {
1945 IWL_ERR(trans, "Couldn't request the fw\n");
1946 goto err_fw;
1947 }
1948
1949 return drv;
1950
1951 err_fw:
1952 #ifdef CONFIG_IWLWIFI_DEBUGFS
1953 debugfs_remove_recursive(drv->dbgfs_drv);
1954 #endif
1955 iwl_dbg_tlv_free(drv->trans);
1956 kfree(drv);
1957 err:
1958 return ERR_PTR(ret);
1959 }
1960
iwl_drv_stop(struct iwl_drv * drv)1961 void iwl_drv_stop(struct iwl_drv *drv)
1962 {
1963 wait_for_completion(&drv->request_firmware_complete);
1964
1965 mutex_lock(&iwlwifi_opmode_table_mtx);
1966
1967 _iwl_op_mode_stop(drv);
1968
1969 iwl_dealloc_ucode(drv);
1970
1971 /*
1972 * List is empty (this item wasn't added)
1973 * when firmware loading failed -- in that
1974 * case we can't remove it from any list.
1975 */
1976 if (!list_empty(&drv->list))
1977 list_del(&drv->list);
1978 mutex_unlock(&iwlwifi_opmode_table_mtx);
1979
1980 #ifdef CONFIG_IWLWIFI_DEBUGFS
1981 iwl_trans_debugfs_cleanup(drv->trans);
1982
1983 debugfs_remove_recursive(drv->dbgfs_drv);
1984 #endif
1985
1986 iwl_dbg_tlv_free(drv->trans);
1987
1988 kfree(drv);
1989 }
1990
1991 /* shared module parameters */
1992 struct iwl_mod_params iwlwifi_mod_params = {
1993 .fw_restart = true,
1994 .bt_coex_active = true,
1995 .power_level = IWL_POWER_INDEX_1,
1996 .uapsd_disable = IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT,
1997 .enable_ini = ENABLE_INI,
1998 /* the rest are 0 by default */
1999 };
2000 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
2001
iwl_opmode_register(const char * name,const struct iwl_op_mode_ops * ops)2002 int iwl_opmode_register(const char *name, const struct iwl_op_mode_ops *ops)
2003 {
2004 int i;
2005 struct iwl_drv *drv;
2006 struct iwlwifi_opmode_table *op;
2007
2008 mutex_lock(&iwlwifi_opmode_table_mtx);
2009 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
2010 op = &iwlwifi_opmode_table[i];
2011 if (strcmp(op->name, name))
2012 continue;
2013 op->ops = ops;
2014 /* TODO: need to handle exceptional case */
2015 list_for_each_entry(drv, &op->drv, list)
2016 drv->op_mode = _iwl_op_mode_start(drv, op);
2017
2018 mutex_unlock(&iwlwifi_opmode_table_mtx);
2019 return 0;
2020 }
2021 mutex_unlock(&iwlwifi_opmode_table_mtx);
2022 return -EIO;
2023 }
2024 IWL_EXPORT_SYMBOL(iwl_opmode_register);
2025
iwl_opmode_deregister(const char * name)2026 void iwl_opmode_deregister(const char *name)
2027 {
2028 int i;
2029 struct iwl_drv *drv;
2030
2031 mutex_lock(&iwlwifi_opmode_table_mtx);
2032 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++) {
2033 if (strcmp(iwlwifi_opmode_table[i].name, name))
2034 continue;
2035 iwlwifi_opmode_table[i].ops = NULL;
2036
2037 /* call the stop routine for all devices */
2038 list_for_each_entry(drv, &iwlwifi_opmode_table[i].drv, list)
2039 _iwl_op_mode_stop(drv);
2040
2041 mutex_unlock(&iwlwifi_opmode_table_mtx);
2042 return;
2043 }
2044 mutex_unlock(&iwlwifi_opmode_table_mtx);
2045 }
2046 IWL_EXPORT_SYMBOL(iwl_opmode_deregister);
2047
iwl_drv_init(void)2048 static int __init iwl_drv_init(void)
2049 {
2050 int i, err;
2051
2052 for (i = 0; i < ARRAY_SIZE(iwlwifi_opmode_table); i++)
2053 INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
2054
2055 #ifdef CONFIG_IWLWIFI_DEBUGFS
2056 /* Create the root of iwlwifi debugfs subsystem. */
2057 iwl_dbgfs_root = debugfs_create_dir(DRV_NAME, NULL);
2058 #endif
2059
2060 err = iwl_pci_register_driver();
2061 if (err)
2062 goto cleanup_debugfs;
2063
2064 return 0;
2065
2066 cleanup_debugfs:
2067 #ifdef CONFIG_IWLWIFI_DEBUGFS
2068 debugfs_remove_recursive(iwl_dbgfs_root);
2069 #endif
2070 return err;
2071 }
2072 module_init(iwl_drv_init);
2073
iwl_drv_exit(void)2074 static void __exit iwl_drv_exit(void)
2075 {
2076 iwl_pci_unregister_driver();
2077 iwl_trans_free_restart_list();
2078
2079 #ifdef CONFIG_IWLWIFI_DEBUGFS
2080 debugfs_remove_recursive(iwl_dbgfs_root);
2081 #endif
2082 }
2083 module_exit(iwl_drv_exit);
2084
2085 #ifdef CONFIG_IWLWIFI_DEBUG
2086 module_param_named(debug, iwlwifi_mod_params.debug_level, uint, 0644);
2087 MODULE_PARM_DESC(debug, "debug output mask");
2088 #endif
2089
2090 module_param_named(swcrypto, iwlwifi_mod_params.swcrypto, int, 0444);
2091 MODULE_PARM_DESC(swcrypto, "using crypto in software (default 0 [hardware])");
2092 module_param_named(11n_disable, iwlwifi_mod_params.disable_11n, uint, 0444);
2093 MODULE_PARM_DESC(11n_disable,
2094 "disable 11n functionality, bitmap: 1: full, 2: disable agg TX, 4: disable agg RX, 8 enable agg TX");
2095 module_param_named(amsdu_size, iwlwifi_mod_params.amsdu_size, int, 0444);
2096 MODULE_PARM_DESC(amsdu_size,
2097 "amsdu size 0: 12K for multi Rx queue devices, 2K for AX210 devices, "
2098 "4K for other devices 1:4K 2:8K 3:12K (16K buffers) 4: 2K (default 0)");
2099 module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
2100 MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
2101
2102 module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
2103 MODULE_PARM_DESC(nvm_file, "NVM file name");
2104
2105 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
2106 MODULE_PARM_DESC(uapsd_disable,
2107 "disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
2108
2109 module_param_named(enable_ini, iwlwifi_mod_params.enable_ini, uint, 0444);
2110 MODULE_PARM_DESC(enable_ini,
2111 "0:disable, 1-15:FW_DBG_PRESET Values, 16:enabled without preset value defined,"
2112 "Debug INI TLV FW debug infrastructure (default: 16)");
2113
2114 /*
2115 * set bt_coex_active to true, uCode will do kill/defer
2116 * every time the priority line is asserted (BT is sending signals on the
2117 * priority line in the PCIx).
2118 * set bt_coex_active to false, uCode will ignore the BT activity and
2119 * perform the normal operation
2120 *
2121 * User might experience transmit issue on some platform due to WiFi/BT
2122 * co-exist problem. The possible behaviors are:
2123 * Able to scan and finding all the available AP
2124 * Not able to associate with any AP
2125 * On those platforms, WiFi communication can be restored by set
2126 * "bt_coex_active" module parameter to "false"
2127 *
2128 * default: bt_coex_active = true (BT_COEX_ENABLE)
2129 */
2130 module_param_named(bt_coex_active, iwlwifi_mod_params.bt_coex_active,
2131 bool, 0444);
2132 MODULE_PARM_DESC(bt_coex_active, "enable wifi/bt co-exist (default: enable)");
2133
2134 module_param_named(led_mode, iwlwifi_mod_params.led_mode, int, 0444);
2135 MODULE_PARM_DESC(led_mode, "0=system default, "
2136 "1=On(RF On)/Off(RF Off), 2=blinking, 3=Off (default: 0)");
2137
2138 module_param_named(power_save, iwlwifi_mod_params.power_save, bool, 0444);
2139 MODULE_PARM_DESC(power_save,
2140 "enable WiFi power management (default: disable)");
2141
2142 module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
2143 MODULE_PARM_DESC(power_level,
2144 "default power save level (range from 1 - 5, default: 1)");
2145
2146 module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
2147 MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
2148
2149 module_param_named(remove_when_gone,
2150 iwlwifi_mod_params.remove_when_gone, bool,
2151 0444);
2152 MODULE_PARM_DESC(remove_when_gone,
2153 "Remove dev from PCIe bus if it is deemed inaccessible (default: false)");
2154
2155 module_param_named(disable_11ax, iwlwifi_mod_params.disable_11ax, bool,
2156 S_IRUGO);
2157 MODULE_PARM_DESC(disable_11ax, "Disable HE capabilities (default: false)");
2158
2159 module_param_named(disable_11be, iwlwifi_mod_params.disable_11be, bool, 0444);
2160 MODULE_PARM_DESC(disable_11be, "Disable EHT capabilities (default: false)");
2161